Feedback-induced discretisation of the relaxation oscillation frequency in a semiconductor laser

Anton V. Kovalev; Bogusław Tykalewicz; David Goulding; Bryan Kelleher; Michael J. Wishon; Alexandre Locquet; David Citrin; Evgeny A. Viktorov

doi:10.1117/12.2307393

9 May 2018 Feedback-induced discretisation of the relaxation oscillation frequency in a semiconductor laser

Anton V. Kovalev, Bogusław Tykalewicz, David Goulding, Bryan Kelleher, Michael J. Wishon, Alexandre Locquet, David Citrin, Evgeny A. Viktorov

Author Affiliations +

Proceedings Volume 10682, Semiconductor Lasers and Laser Dynamics VIII; 106821I (2018) https://doi.org/10.1117/12.2307393
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

We explore both experimentally and numerically the dynamics of semiconductor lasers subject to delayed optical feedback and show that the external cavity repetition rate can be resonant with the relaxation oscillations leading to a discretisation of the relaxation oscillation frequency which evolves in a series of discrete steps, remaining almost constant along each step. Numerically, the steps are found to result from different Hopf bifurcation branches.

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Anton V. Kovalev, Bogusław Tykalewicz, David Goulding, Bryan Kelleher, Michael J. Wishon, Alexandre Locquet, David Citrin, and Evgeny A. Viktorov "Feedback-induced discretisation of the relaxation oscillation frequency in a semiconductor laser", Proc. SPIE 10682, Semiconductor Lasers and Laser Dynamics VIII, 106821I (9 May 2018); https://doi.org/10.1117/12.2307393

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